0be4b029aeb34f1c7c61df62d4dc4cb3a060b5c6
[senf.git] / Packets / ListParser.ih
1 // $Id$
2 //
3 // Copyright (C) 2007
4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 //     Stefan Bund <g0dil@berlios.de>
7 //
8 // This program is free software; you can redistribute it and/or modify
9 // it under the terms of the GNU General Public License as published by
10 // the Free Software Foundation; either version 2 of the License, or
11 // (at your option) any later version.
12 //
13 // This program is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 // GNU General Public License for more details.
17 //
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the
20 // Free Software Foundation, Inc.,
21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
22
23 /** \file
24     \brief ListParser internal header */
25
26 #ifndef IH_SENF_Packets_ListParser_
27 #define IH_SENF_Packets_ListParser_ 1
28
29 // Custom includes
30 #include <boost/iterator/iterator_facade.hpp>
31
32 ///////////////////////////////ih.p////////////////////////////////////////
33
34 namespace senf {
35 namespace detail {
36
37     /** \brief Internal: Iterator used by ListParser
38
39         \internal
40      */
41     template <class Container>
42     class ListParser_Iterator
43         : public boost::iterator_facade< ListParser_Iterator<Container>,
44                                          typename Container::value_type,
45                                          boost::forward_traversal_tag,
46                                          typename Container::value_type >,
47           private Container::policy::iterator_data
48     {
49     public:
50         typedef typename Container::value_type value_type;
51
52         ListParser_Iterator();
53         explicit ListParser_Iterator(Container const & c);
54
55         PacketParserBase::data_iterator raw() const;
56         PacketParserBase::data_iterator i() const;
57         
58         static ListParser_Iterator & get(typename Container::policy::iterator_data & d);
59         static ListParser_Iterator const & get(typename Container::policy::iterator_data const & d);
60
61     private:
62         friend class boost::iterator_core_access;
63         template <class P> friend class ListParser_Container;
64         
65         value_type dereference() const;
66         bool equal(ListParser_Iterator const & other) const;
67         void increment();
68
69         PacketParserBase::data_iterator i_;
70         Container const * c_;
71     };
72
73 #ifndef DOXYGEN
74
75     template <class ElementParser, class AuxPolicy, class AuxTag>
76     struct ListParserPolicy
77     {};
78
79     template <class ElementParser>
80     struct ListParserTraits
81     {
82         template <class AuxPolicy, class AuxTag>
83         struct parser {
84             typedef senf::ListParser<
85                 typename ListParserPolicy<ElementParser, AuxPolicy, AuxTag>::type > type;
86         };
87     };
88
89 #   define SENF_PARSER_LIST_I(access, name, size, elt_type)                                       \
90         SENF_PARSER_REQUIRE_VAR(list)                                                             \
91             SENF_PARSER_COLLECTION_I( access,                                                     \
92                                       name,                                                       \
93                                       size,                                                       \
94                                       senf::detail::ListParserTraits<elt_type> )
95
96 #endif
97
98 }}
99
100 ///////////////////////////////ih.e////////////////////////////////////////
101 #endif
102
103 \f
104 // Local Variables:
105 // mode: c++
106 // fill-column: 100
107 // comment-column: 40
108 // c-file-style: "senf"
109 // indent-tabs-mode: nil
110 // ispell-local-dictionary: "american"
111 // compile-command: "scons -u test"
112 // End: